You probably get a little kick out of trying to entice people into shit like this because you read something somewhere on Wikipedia and you think it makes you a -blam!-ing psychologist or philosopher or some shit. Well the -blam!-ing truth is you cant prove shit. You can always say well prove that fact is a fact. The "fact" is you cant. Its just our perception of truth. Go -blam!-ing read some more Wikipedia asswhipe.